# NSN 4310-00-862-1262: Ring, Piston

NSN 4310-00-862-1262 (also written 4310008621262; NIIN 00-862-1262) is a ring, piston in Federal Supply Class 4310, Compressors and Vacuum Pumps. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Aug 2026.

## Identification

- NSN: 4310-00-862-1262 (4310008621262)
- NIIN: 00-862-1262 (008621262)
- Item name: RING,PISTON
- Federal Supply Class: [FSC 4310 Compressors and Vacuum Pumps](https://nsnexplorer.com/fsc/4310/)
- Federal Supply Group: [FSG 43](https://nsnexplorer.com/group/43/)
- Acquisition method suffix code: AMSC L: annual buy value is below the screening threshold. (observed 2026-11-06)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | — |
| ACXD | RING STYLE | — |
| ACXF | RADIAL WALL THICKNESS | INCHES NOMINAL 0.1560 |
| ACXJ | OVERALL WIDTH | INCHES NOMINAL 1.2340 |
| ACXZ | STANDARD BORE DIAMETER | INCHES 5.500 |
| ADTE | JOINT STYLE | — |
| MATT | MATERIAL | OVERALL LEATHER AND PLASTIC |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 4J4606 | 11083 | CATERPILLAR INC DIV CATERPILLAR DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-07 | [SPE7LX21D0087/SPE7LX26FB5B9](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4310008621262) | RING, PISTON | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $71.50 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4310008621262&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4310008621262
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/4310-00-862-1262/
JSON: https://nsnexplorer.com/api/nsn/4310-00-862-1262.json